Newbie helping a newbie .... put some delay in your program to slow
down the square wave ... 500ms should work well.
 - Nick -

> Mathew Cohen wrote:
>
> Can someone send me a file to flash some leds off porta of a PIC16F84
> 10Mhz. I have built a test circuit on some bread board and tried to
> write a program to flash the leds and all I can get is RA0 and RA1
> outputing a square wave ( leds On) Not what I expected.
> I dont know if it is the crystal or the program or the bread board. If
> some can help it would be great.
> May be there is a simple thing I am not doing.
> All I have is the chip 4 leds a couple of resistors the crystal and
> and two caps on the bread board am I missing something???
>
> PLEASE HELP A NEWBY.
>
> mmjcohen@nsw.bigpond.net.au